I "detected" the radical sr4 (252) for Nords, it s pure fun and really thrilling. :good:
My setup is easy to drive, not twitchy, still fast (>270 kmph max) and for all that pretty fast in the corners. Try to use "higher" gears (i.e. bergwerk 3rd instead of 2nd) and it will make u faster. - You ll need (a little less than) 11 liters a lap.
I got a 6:28.911 and therefor quite as fast as i managed with a GTPro car!